5-40 Removal and Replacement Procedures
5.21 Fan
1. Prepare the computer for disassembly (Section 5.5).
2. Remove the modem/combo card (Section 5.10).
3. Remove the RTC battery (Section 5.11).
4. Remove the keyboard (Section 5.12).
5. Remove the switch cover (Section 5.14).
6. Remove the display assembly (Section 5.15).
7. Remove the top cover (Section 5.16).
8. Remove the USB board (Section 5.17)
9. Remove the system board (Section 5.19).
10. Disconnect the fan cable from the system board (Figure 5-38).
Figure 5-38. Disconnecting the Fan Cable from the System Board
11. Turn the system board bottom side up.
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